root/OpenSceneGraph/trunk/examples/osgscalarbar/osgscalarbar.cpp @ 2213

Revision 2213, 4.0 kB (checked in by robert, 11 years ago)

From Neil Salter, added osgSim::SphereSegment? and osgSim::ScalarBar?, and
osgspheresegment and osgscalarbar, and osgsimulation examples.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
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1#include <osg/Geode>
2#include <osg/ShapeDrawable>
3#include <osg/Material>
4#include <osg/Texture2D>
5#include <osg/MatrixTransform>
6#include <osg/PositionAttitudeTransform>
7#include <osg/BlendFunc>
8#include <osg/ClearNode>
9
10#include <osgUtil/Tesselator>
11#include <osgUtil/TransformCallback>
12#include <osgUtil/CullVisitor>
13
14
15#include <osgGA/TrackballManipulator>
16#include <osgProducer/Viewer>
17#include <osgDB/ReadFile>
18
19#include <osgSim/ScalarsToColors>
20#include <osgSim/ColorRange>
21#include <osgSim/ScalarBar>
22
23#include <sstream>
24#include <math.h>
25
26using namespace osgSim;
27
28osg::Node* createScalarBar()
29{
30//     ScalarsToColors* stc = new ScalarsToColors(0.0f,1.0f);
31//      ScalarBar* sb = new ScalarBar(2,3,stc);
32//
33//     // Create a custom color set
34//     std::vector<osg::Vec4> cs;
35//     cs.push_back(osg::Vec4(1.0f,0.0f,0.0f,1.0f));   // R
36//     cs.push_back(osg::Vec4(0.0f,0.0f,1.0f,1.0f));   // B
37//
38//      // Create a custom scalar printer
39//     struct MyScalarPrinter: public ScalarBar::ScalarPrinter
40//      {
41//         std::string printScalar(float scalar)
42//              {
43//                  std::cout<<"In MyScalarPrinter::printScalar"<<std::endl;
44//             if(scalar==0.0f) return "Hello";
45//                      else if(scalar==1.0f) return "Goodbye";
46//                      else return ScalarBar::ScalarPrinter::printScalar(scalar);
47//              }
48//      };
49//
50//     ColorRange* stc = new ColorRange(0.0f,1.0f,cs);
51//      //ScalarBar* sb = new ScalarBar(2, 2, stc, "ScalarBar", ScalarBar::HORIZONTAL, 0.25f, new MyScalarPrinter);
52//      ScalarBar* sb = new ScalarBar(2, 2, stc, "ScalarBar", ScalarBar::VERTICAL, 4.0f, new MyScalarPrinter);
53//      sb->setScalarPrinter(new MyScalarPrinter);
54//
55//      return sb;
56
57    ScalarBar *sb = new ScalarBar;
58    ScalarBar::TextProperties tp;
59        tp._fontFile = "fonts/times.ttf";
60
61        sb->setTextProperties(tp);
62
63    return sb;
64
65}
66
67int main( int argc, char **argv )
68{
69    // use an ArgumentParser object to manage the program arguments.
70    osg::ArgumentParser arguments(&argc,argv);
71
72    // set up the usage document, in case we need to print out how to use this program.
73    arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates both text, animation and billboard via custom transform to create the OpenSceneGraph logo..");
74    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
75    arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
76    arguments.getApplicationUsage()->addCommandLineOption("ps","Render the Professional Services logo");
77
78    // construct the viewer.
79    osgProducer::Viewer viewer(arguments);
80
81    // set up the value with sensible default event handlers.
82    viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
83
84    // get details on keyboard and mouse bindings used by the viewer.
85    viewer.getUsage(*arguments.getApplicationUsage());
86
87    // if user request help write it out to cout.
88    if (arguments.read("-h") || arguments.read("--help"))
89    {
90        arguments.getApplicationUsage()->write(std::cout);
91        return 1;
92    }
93
94    // any option left unread are converted into errors to write out later.
95    arguments.reportRemainingOptionsAsUnrecognized();
96
97    // report any errors if they have occured when parsing the program aguments.
98    if (arguments.errors())
99    {
100        arguments.writeErrorMessages(std::cout);
101        return 1;
102    }
103
104    osg::Node* node = createScalarBar();
105
106    // add model to viewer.
107    viewer.setSceneData( node );
108
109    // create the windows and run the threads.
110    viewer.realize();
111
112    while( !viewer.done() )
113    {
114        // wait for all cull and draw threads to complete.
115        viewer.sync();
116
117        // update the scene by traversing it with the the update visitor which will
118        // call all node update callbacks and animations.
119        viewer.update();
120
121        // fire off the cull and draw traversals of the scene.
122        viewer.frame();
123    }
124
125    // wait for all cull and draw threads to complete before exit.
126    viewer.sync();
127
128    return 0;
129}
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